v3.26.3
Commitments and Contingencies (Details)
$ in Millions
Nov. 12, 2025
contract
agreement
Sep. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Concentration Risk [Line Items]      
Liability for reductions and/or penalties from U.S Government audits   $ 249 $ 248
Total future lease payments   240  
Total lease liabilities   122  
Building      
Concentration Risk [Line Items]      
Number of contracts | contract 2    
Operating lease, term of contract 15 years    
Number of corporate office spaces | agreement 2    
Tenant Improvement      
Concentration Risk [Line Items]      
Total future lease payments   61  
Claimed Indirect Costs | Increase To Revenue To Reflect Best Estimate Of Final Cost Rates      
Concentration Risk [Line Items]      
Liability for reductions and/or penalties from U.S Government audits   $ 249 $ 248